Search Results:  1-20 of 1237

  • 1

    Cantilever-type Rotating Bending Fatigue Behavior of PET Smooth specimen and Notched Specimen  [in Japanese]

    UCHIDA Takeshi , TANE Takeshi , OTSUKA Shohei

    Research Report of Kitakyushu National College of Technology 48, 1-6, 2015-01

    CiNii Fulltext Link

  • 2

    Effect of shot peening on fatigue properties of high strength Al alloy in high humidity  [in Japanese]

    KAWAGOISHI Norio , KARIYA Kohji , NAGANO Takanori , CHEN Qiang , WANG Qingyuan , KOBAYASHI Yuji

    Fatigue properties of shot-peened high strength Al-Cu-Mg alloys, extruded and drawn 2017-T4 alloys, and effect of humidity on the properties were investigated in relative humidity environments of 25% and 85% under rotating bending. … Fatigue strength was increased by shot-peening in each humidity. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 81(825), 15-00001-15-00001, 2015

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  • 3

    Effect of shot peening on fatigue properties of high strength Al alloy in high humidity  [in Japanese]

    KAWAGOISHI Norio , KARIYA Kohji , NAGANO Takanori , CHEN Qiang , WANG Qingyuan , KOBAYASHI Yuji

    Fatigue properties of shot-peened high strength Al-Cu-Mg alloys, extruded and drawn 2017-T4 alloys, and effect of humidity on the properties were investigated in relative humidity environments of 25% and 85% under rotating bending. … Fatigue strength was increased by shot-peening in each humidity. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A advpub(0), 2015

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  • 4

    Effect of Number of Graphite Nodules on Fatigue Limit and Fracture Origins in Heavy Section Spheroidal Graphite Cast Iron  [in Japanese]

    白木 尚人 , 臼井 雄紀 , 菅野 利猛

    鋳造工学 = Journal of Japan Foundry Engineering Society 86(8), 615-620, 2014-08

  • 5

    Relationship between Fatigue Limit and Defect Size in Spheroidal Graphite Cast Iron with Different Graphite Spheroidization Ratios and Microstructures  [in Japanese]

    白木 尚人 , 渡邊 拓也 , 菅野 利猛

    鋳造工学 = Journal of Japan Foundry Engineering Society 86(6), 454-460, 2014-06

  • 6

    Fatigue Limit Estimation of Aluminum Die-casting Alloy by Means of √area Method  [in Japanese]

    UENO Akira , NISHIDA Masahide , MIYAKAWA Susumu , YAMADA Koji , KIKUCHI Shoichi

    … In order to evaluate quantitatively the effects of casting defects on the fatigue properties of aluminum die-casting alloy, a fatigue limit estimation for aluminum die-casting alloy (JIS ADC12) containing large casting defects was proposed by means of √area method. … Fatigue tests were performed in ambient air by means of a dual spindle type rotating bending fatigue testing machine for two types of the specimen; …

    journal of the Japan Society for Testing Materials 63(12), 844-849, 2014

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  • 7

    Cutting and rubbing process for a Ti-6Al-4V alloys, and its effects  [in Japanese]

    YAKUSHIJI Terutoshi , WATABE Kyogo , GOTO Masahiro , TODAKA Yoshikazu

    … Aiming at an enhanced fatigue strength of Ti-6Al-4V alloys, the severe plastic deformation was given to the specimen surface at the final stage of lathe turning. … Although some studies indicated negligible increases in fatigue strength of titanium alloy specimen processed by surface treatments such as nitriding, shot-peening, the fatigue life of the cutting and friction processed specimen was much longer than that of non-surface treated specimens. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 80(818), SMM0296-SMM0296, 2014

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  • 8

    Corrosion Fatigue Behavior of Ti-6Al-4V Alloy Coated with Pure Titanium Using Cold-Spraying  [in Japanese]

    SATAKE Tadaaki , INOUE Takasi , KUWASIMA Takayuki , TAKEDA Takenobu

    … The purpose of present study was to examine the corrosion fatigue strength and fracture mechanism of Ti-6Al-4V alloy coated with cold-sprayed pure titanium. … The corrosion fatigue tests were conducted using rotating bending fatigue machine at a frequency of 10 Hz in a physiological saline solution at 310K. … The fatigue life of the coated specimens decreased in comparison with the electrolytic polished substrate (EP). …

    journal of the Japan Society for Testing Materials 63(8), 589-595, 2014

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  • 9

    Effects of rotating fatigue on the mechanical properties of microhybrid and nanofiller-containing composites

    LIN Jie , SUN Minglei , ZHENG Zhiqiang , SHINYA Akikazu , HAN Jianmin , LIN Hong , ZHENG Gang , SHINYA Akiyoshi

    … The objective of this study was to assess and compare the flexural strength and Vickers hardness of five nanofiller-containing composites (Filtek Supreme XT, Gradia Forte, Luna-Wing, GNH400N, GCUC) against five microhybrid composites (Meta Color Prime Art, Solidex, Estenia C&B, Ceramage, Clearfil Majesty) before and after rotating fatigue test (RFT). … Flexural strength was determined using a three-point bending test. …

    Dental Materials Journal 32(3), 476-483, 2013-06-01

    Ichushi Web CrossRef References (33)

  • 10

    Observation of inside defects in casting aluminum alloy by CT with synchrotron radiation and its evaluation by fracture mechanics  [in Japanese]

    Masaki Kiyotaka , Sano Yuji

    鋳造アルミニウム合金の疲労破壊特性は、鋳造時に発生した材料内部の鋳造欠陥の数や大きさによるところが大きい。そのため部材内部の鋳造欠陥の非破壊検査と評価が重要であるが、本研究では放射光を利用した断層撮影技術(CT)に注目した。放射光CTによって試験片内部の欠陥調査と破壊力学的手法に基づく欠陥の評価を行い、鋳造欠陥が疲労特性に及ぼす影響を定量的に予測した。内在欠陥を調査した試験片について疲労試験を実施 …

    Bulletin of Okinawa National College of Technology 7, 1-10, 2013-03

    CiNii Fulltext PDF - Open Access 

  • 11

    Effect of Microstructure on Fatigue Strength of Intercritically Austenitized and Austempered Ductile Irons with Dual Matrix Structures

    OVALI Ismail , KILICLI Volkan , ERDOGAN Mehmet

    … In the present study the fatigue strength of austempered ductile irons with dual matrix structures (ADI with DMS) has been studied for an unalloyed ductile cast iron. … Rotating bending fatigue test were carried out an the experimental results showed that, in ADI with DMS, volume fraction of ausferrite and continuity of ausferritic structure along intercellular boundaries play important role in determining fatigue strength. …

    Transactions of the Iron and Steel Institute of Japan 53(2), 375-381, 2013-02-15

    CrossRef References (51)

  • 12

    Influence of axle-wheel interface on ultrasonic testing of fatigue cracks in wheelset.

    Makino Kazunari , Biwa Shiro

    … This paper describes the influence of the axle-wheel interface on the ultrasonic testing of a fatigue crack in a wheelset by applying the spring interface model. … The calculated reflection coefficient at the incident angle of 45° qualitatively explained the relative echo-height decrease due to the presence of a wheel observed experimentally for a wheelset in fatigue loading by rotating bending. …

    Ultrasonics 53(1), 239-248, 2013-01

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  • 13

    Effect of Stress Ratio and Loading Mode on High Cycle Fatigue Performances of Extruded Magnesium Alloys  [in Japanese]

    SHIOZAWA Kazuaki , IKEDA Atsushi , FUKUMORI Tsuyoshi

    … To discuss an effect of stress ratio and loading mode on high cycle fatigue performances of extruded magnesium alloys, axial loading fatigue tests under three conditions of stress ratio, R, of 0, -1 and -1.5, and also rotating bending fatigue tests have been performed in laboratory air at room temperature using hourglass shaped specimens of AZ31, AZ61, AZ80 and T5-treated AZ80 alloy. …

    Transactions of the Japan Society of Mechanical Engineers Series B 79(805), 1366-1381, 2013

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  • 14

    Aging Condition for Improvement of Fatigue Properties of Maraging Steel  [in Japanese]

    KAWAGOISHI Norio , NAKAMURA Yuzo , KARIYA Kohji , CHEN Qiang , NAGANO Takanori , MAEDA Yoshikazu

    … The effect of aging condition on fatigue properties and the mechanism of decrease in fatigue strength in high humidity in 18% Ni maraging steel of grade 350 were investigated under rotating bending in relative humidity of 25% and 85%. … Both of static and fatigue strengths were increased by the double-aging without any decrease in ductility and fatigue fracture toughness. …

    journal of the Japan Society for Testing Materials 62(12), 756-763, 2013

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  • 15

    Effect of Strain-Induced Martensitic Transformation on High Cycle Fatigue Behavior in Cyclically-Prestrained Type 304  [in Japanese]

    UEMATSU Yoshihiko , KAKIUCHI Toshifumi , AKITA Masayuki , NAKAJIMA Masaki , NAKAMURA Yuki , YAJIMA Takumi

    … The effects of the cyclic prestrain on the fatigue behavior in type 304 austenitic stainless steel were investigated. … Rotating bending fatigue tests have been performed in laboratory air using the specimens subjected to ±5% cyclic prestrain at room temperature (R.T.) and -5°C. …

    journal of the Japan Society for Testing Materials 62(12), 744-749, 2013

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  • 16

    Detection of Small Cracks for Rotating Bending Fatigue Specimens (The First Report; A Method with Measuring Small Displacement during Fatigue Test)  [in Japanese]

    FUJITA Tsuyoshi , ASAI Tetsuya , TANAKA Kenichi , ANDOH Yuhzoh

    … A replica method is commonly used to detect a crack initiation and propagation for rotating bending fatigue cracks. … But in this method, a length of crack on the surface can be detected at only the certain cycles, and can't detect the crack initiation accurately or observe the change of fatigue crack length continuously. …

    Transactions of the Japan Society of Mechanical Engineers Series B 79(802), 921-924, 2013

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  • 17

    Effect of Fine Particle Shot Peening on Very High Cycle Fatigue Properties of Extruded Magnesium Alloys  [in Japanese]

    SHIOZAWA Kazuaki , MIYAZAKI Masashi

    … To evaluate an effect of surface treatment with fine particle shot peening (FPSP) on very high-cycle fatigue properties of extruded magnesium alloys, fatigue test was performed in an open environment at room temperature using a four-axis cantilever-type rotating bending fatigue machine for hourglass-shaped specimens of AZ80, T5-heat-treated AZ80 (AZ80T5) and AZ61 treated with two types of FPSP condition. …

    Transactions of the Japan Society of Mechanical Engineers Series B 79(802), 876-890, 2013

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  • 18

    Oil-Free Bearings and Seals for Centrifugal Hydrogen Compressor

    Heshmat Hooshang , Zhou Andrew , Ren Zhaohui , Jahanmir Said , Walton II James F.

    … Each of the two or three multi-stage compressor frames operate above the bending critical speed of the rotating group since speeds are 5 to 7 times faster than conventional compressors. … Finite element analysis of the compressor impeller was used to verify structural integrity and fatigue limits for selected materials. …

    Tribology Online 8(1), 44-63, 2013

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  • 19

    Effects of Laser Peening on Rotating Bending Fatigue Properties of Ti-6Al-4V Titanium Alloy  [in Japanese]

    MASAKI Kiyotaka , KAMESHIMA Youhei , HISAMORI Noriyuki , SANO Yuji , AKITA Koichi , SHOBU Takahisa

    … In order to investigate the effects of laser peening on high cycle fatigue properties of (α+β) type Ti-6Al-4V alloy, rotating bending fatigue tests were carried out. … The fatigue properties were not improved with these conditions of laser peening ; …

    journal of the Japan Society for Testing Materials 62(5), 297-304, 2013

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  • 20

    Stepwise S-N Curve and Internal Fracture of Austenitic Stainless Steel under High Temperature and High Cycle Fatigue Conditions  [in Japanese]

    TAKAHASHI Yukio , KOBAYASHI Maya , KANAZAWA Kenji

    … In order to clarify the relationship between stepwise S-N curve and fracture mode for austenitic stainless steel under high temperature and high cycle fatigue conditions, rotating bending fatigue tests were carried out on stainless steel SUS321-B at 700°C. …

    journal of the Japan Society for Testing Materials 62(2), 99-104, 2013

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